How long does it take a 750W heater to raise the temperature of 1kg of water from 20oC to 50oC [specific heat capacity of water = 4200Jkg-1K-1]

A body is under action of a force F such that the force displacement graph of the body is semi circular as shown above. The work done on the body by the forc...

which of the following statements are TRUE of isotopes? i. isotopes of an element have the same chemical properties because they have the same number of elec...

The net capacitance of the circuit shown above is

When an atom loses or gains a charge, it becomes

The internal resistance of each of the cells E1 and E2 Shown in the figure above is 2 Ohm. Calculate the total current in the circuit

Which of the following phenomena is called photoelectric effect?

Find the tension T1 in the diagram above if the system is in equilibrium. [G = 10ms-2]

In the above circuit, The fuse wire melts when